/Engine/Plugins/Online/OnlineSubsystem/Source/Public/OnlineKeyValuePair.h
Convert anFVariantDatato aFPropertytrue if it was successful, false otherwise
static bool VariantDataToFProperty ( const [FVariantData](API\Plugins\OnlineSubsystem\FVariantData) * Variant, [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * Property, void * OutValue, int64 CheckFlags, int64 SkipFlags )